Today, scientists are excited to announce an incredible new discovery about mammalian sperm and egg cells: proteins! It has been discovered that certain proteins on the surface of sperm and egg cells can attach to each other, forming a strong bond and helping the cells to recognize each other. This newly discovered interaction between mammalian sperm and egg cells could have major implications for fertility treatments, allowing couples struggling with infertility to have a better chance of conceiving. Scientists are hopeful that this discovery will lead to further research and a deeper understanding of the proteins involved in mammalian reproduction.

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source: Phys.org